chore: replace jest with vitest (#628)

* chore: replace jest with vitest

* minimal invasive change

package.json

@@ -12,7 +12,7 @@
     "lint": "prettier --check '{src,test,scripts}/**/*' '!scripts/generated/*' README.md package.json",
     "lint:fix": "prettier --write '{src,test,scripts}/**/*' '!scripts/generated/*' README.md package.json",
     "pretest": "npm run -s lint",
-    "test": "NODE_OPTIONS=\"$NODE_OPTIONS --experimental-vm-modules\" npx jest --coverage",
+    "test": "vitest run --coverage",
     "test:ts": "npx tsc --noEmit --declaration --noUnusedLocals --allowImportingTsExtensions test/validate-typescript.ts",
     "update-endpoints": "npm-run-all update-endpoints:*",
     "update-endpoints:fetch-json": "node scripts/update-endpoints/fetch-json",
@@ -37,43 +37,17 @@
     "@octokit/plugin-rest-endpoint-methods": "^13.0.0",
     "@octokit/tsconfig": "^3.0.0",
     "@types/fetch-mock": "^7.3.1",
-    "@types/jest": "^29.0.0",
     "@types/node": "^20.0.0",
+    "@vitest/coverage-v8": "^2.0.2",
     "esbuild": "^0.23.0",
     "fetch-mock": "^10.0.0",
     "github-openapi-graphql-query": "^4.0.0",
     "glob": "^11.0.0",
-    "jest": "^29.0.0",
     "npm-run-all2": "^6.0.0",
     "prettier": "3.3.3",
     "semantic-release-plugin-update-version-in-files": "^1.0.0",
-    "ts-jest": "^29.0.0",
-    "typescript": "^5.0.0"
-  },
-  "jest": {
-    "extensionsToTreatAsEsm": [
-      ".ts"
-    ],
-    "transform": {
-      "^.+\\.(ts|tsx)$": [
-        "ts-jest",
-        {
-          "tsconfig": "test/tsconfig.test.json",
-          "useESM": true
-        }
-      ]
-    },
-    "coverageThreshold": {
-      "global": {
-        "statements": 100,
-        "branches": 100,
-        "functions": 100,
-        "lines": 100
-      }
-    },
-    "moduleNameMapper": {
-      "^(.+)\\.jsx?$": "$1"
-    }
+    "typescript": "^5.0.0",
+    "vitest": "^2.0.2"
   },
   "release": {
     "branches": [

src/types.ts

@@ -1,5 +1,5 @@
-import { Octokit } from "@octokit/core";
-import * as OctokitTypes from "@octokit/types";
+import type { Octokit } from "@octokit/core";
+import type * as OctokitTypes from "@octokit/types";
 
 export type {
   EndpointOptions,

test/compose-paginate.test.ts

@@ -1,3 +1,4 @@
+import { test, expect } from "vitest";
 import fetchMock from "fetch-mock";
 import { Octokit } from "@octokit/core";
 

test/issues.test.ts

@@ -1,3 +1,4 @@
+import { describe, it, test, expect } from "vitest";
 import fetchMock from "fetch-mock";
 import { Octokit } from "@octokit/core";
 import { restEndpointMethods } from "@octokit/plugin-rest-endpoint-methods";

test/paginate.test.ts

@@ -1,3 +1,4 @@
+import { describe, it, expect } from "vitest";
 import fetchMock from "fetch-mock";
 import { Octokit } from "@octokit/core";
 import { restEndpointMethods } from "@octokit/plugin-rest-endpoint-methods";

test/paginating-endpoints.test.ts

@@ -1,3 +1,4 @@
+import { describe, it, expect } from "vitest";
 import { paginatingEndpoints, isPaginatingEndpoint } from "../src/index.ts";
 
 describe("paginating endpoints", () => {

test/smoke.test.ts

@@ -1,3 +1,4 @@
+import { describe, it, expect } from "vitest";
 import { Octokit } from "@octokit/core";
 
 import {

vite.config.js

@@ -0,0 +1,13 @@
+import { defineConfig } from "vite";
+
+export default defineConfig({
+  test: {
+    coverage: {
+      include: ["src/**/*.ts"],
+      reporter: ["html"],
+      thresholds: {
+        100: true,
+      },
+    },
+  },
+});